Gore, M., & Stubbe, J. (1988). Elements of systems analysis (4th ed.). Wm. C. Brown.
Cita Chicago (17th ed.)Gore, Marvin, i John Stubbe. Elements of Systems Analysis. 4th ed. Dubuque, Iowa: Wm. C. Brown, 1988.
Cita MLA (9th ed.)Gore, Marvin, i John Stubbe. Elements of Systems Analysis. 4th ed. Wm. C. Brown, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.